MLA

Gaecki, Andrzej, et al. Linear Mixed-effects Models Using R. Dordrecht: Springer New York, 2013.

APA

Gaecki, A., Burzykowski, T., Gałecki, A., & Ga_ecki, A. (2013). Linear Mixed-Effects Models Using R. Dordrecht: Springer New York.

Chicago

Gaecki, Andrzej, Tomasz Burzykowski, Andrzej Gałecki, and Andrzej Ga_ecki. Linear Mixed-Effects Models Using R. Dordrecht: Springer New York, 2013.